Tracking not working in new free version?

So, im trying avast free on lollipop 5.1.1, when I try to locate device I get “No positions have been uploaded. Please use the Locate command to request device position.”

How do i send locate command in new interface

Use your avast account : https://my.avast.com
or use the sms command : http://files.avast.com/files/documentation/mobile-security-user-guide-en-v2-4-updated.pdf